This study was carried out to investigate the effect of five compounds (Baicao I, Baicao II , Baicao III , Spentor 24 SC. and Neem oil )at different concentrations against Peach fly Bacterocera zonata under laboratory and field condutions . The obtained results indicated that percentage of adults mortality had significantly high value with Baicao I treatment (74.17 % ) while the lowest significantly value was ( 65.28 % ) with Spentor 24 SC. treatments .On the otherhand the percentage of pupae mortality was increased with Neem oil treatment (35.82 % ) while , Baicao I gave the lowest significantly effect ( 27.28 % ). The Baicao I, Baicao II and Baicao III treatments were significantly decreased the attraction flies as compared with Buminal control. While , there were no significantly between Neem oil treatment and Spentor by Arina olfactometer instrument . Also , there were the highest value was attained of flies attracted was after 48 , 72 hr. from application but the lowest one was recorded after 24 hr. . The mean number of captured flies trabs in the field were high significantly by Baicao III treatment while. The Neem oil treatment gave the lowest significantly as compared with Buminal control.